Australia's involvment in the Vietnam War By Time Line Aug 3, 1962 First Australian members are sent Period: Aug 3, 1962 to Jun 15, 1973 Australia's time in the War Aug 12, 1964 Australia sends the royal air force Mar 12, 1966 Battles of long tan Jan 12, 1968 Major Veit Cong Offence Mar 12, 1969 Anti-War protests Mar 12, 1970 Crossed the border into Cambodia Mar 12, 1971 More than 250,000 Anti-War protesters Dec 12, 1972 Last Australian troops come home Jan 11, 1973 End of War is formally declared